Finding the Fourth Proportional to 98,623.98, 147,829.86 and 42,490.53
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Solution
The fourth proportional to 98,623.98, 147,829.86 and 42,490.53 is: 63,690.08
Step by Step Solution
- Step 1: Write the proportion equation
98,623.98 : 147,829.86 = 42,490.53 : x - Step 2: Convert to fraction form
98,623.98/147,829.86 = 42,490.53/x - Step 3: Cross multiply
98,623.98x = 147,829.86 × 42,490.53 - Step 4: Simplify right side
98,623.98x = 6,281,369,101.23 - Step 5: Solve for x
x = 6,281,369,101.23/98,623.98 - Step 6: Final answer
x = 63,690.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.